Bourvil

as Albert Gaudet, investigating judge

Marina Vlady

as Catherine Dupré

Virna Lisi

as Gina Bianchi, nurse

Pierre Brasseur

as Charles Cassidi, lawyer for Mrs. Dupré

Umberto Orsini

as Maître Philliet, lawyer for Gina Bianchi

Mony Dalmès

as Mrs. Marjorie, brothel keeper

Jacques Monod

as Prosecutor Magnin

Jacques Mauclair

as Georges Boisset, Mrs. Dupré's neighbor